Researchers believe that Native Americans have been building the conical wooden shelters popularly known as wickiups, which usually leave no trace in the archaeological record, for at least 12,000 ...

University of Wyoming archaeologist Richard Adams surveys remote terrain along the Continental Divide in the Wind River Mountains. The Wind River Range in the Rocky Mountains stretches 100 miles ...

There are about 500 of them dotted across 10 square miles of the park. On the surface, they resemble ordinary circles of sand marked by rings of pebbles and rock fragments. But a closer look suggests ...